5398998 has 32 divisors (see below), whose sum is σ = 11871360. Its totient is φ = 1623360.

The previous prime is 5398993. The next prime is 5398999. The reversal of 5398998 is 8998935.

It is a self number, because there is not a number n which added to its sum of digits gives 5398998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5398993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11586 + ... + 12042.

It is an arithmetic number, because the mean of its divisors is an integer number (370980).

Almost surely, 2^5398998 is an apocalyptic number.

5398998 is an abundant number, since it is smaller than the sum of its proper divisors (6472362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5398998 is a wasteful number, since it uses less digits than its factorization.

5398998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652.

The product of its digits is 699840, while the sum is 51.

The square root of 5398998 is about 2323.5744016493. The cubic root of 5398998 is about 175.4302122668.

The spelling of 5398998 in words is "five million, three hundred ninety-eight thousand, nine hundred ninety-eight".